@keyframes loading {
  to {
    -webkit-transform: rotate(360deg);
  }
}

@-webkit-keyframes loading {
  to {
    transform: rotate(360deg);
  }
}

html {
  overflow-y: scroll;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
    "Helvetica Neue", Helvetica, "PingFang SC", "Hiragino Sans GB",
    "Microsoft YaHei", SimSun, sans-serif;
  color: #666;
  line-height: 1.8;
  background: #ededed;
  -webkit-transition: background-color 0.5s;
  transition: background-color 0.5s;
  -webkit-font-smoothing: antialiased;
}

*,
:after,
:before {
  margin: 0;
  padding: 0;
  outline: 0;
  border: 0;
  -webkit-box-sizing: border-box;
  -moz-box-sizing: border-box;
  box-sizing: border-box;
}

::selection {
  color: #fff;
  background: #a5a5a5;
}

::-moz-selection {
  color: #fff;
  background: #a5a5a5;
}

.container {
  width: 85%;
  margin: 0 auto;
  position: relative;
}

.column {
  float: left;
  padding: 0 15px;
  position: relative;
}

.column:first-child {
  padding-left: 0;
}

.column:last-child {
  padding-right: 0;
}

.column.col-1 {
  width: 8.333%;
}

.column.col-2 {
  width: 16.666%;
}

.column.col-3 {
  width: 25%;
}

.column.col-4 {
  width: 33.333%;
}

.column.col-5 {
  width: 41.666%;
}

.column.col-6 {
  width: 50%;
}

.column.col-7 {
  width: 58.333%;
}

.column.col-8 {
  width: 66.666%;
}

.column.col-9 {
  width: 75%;
}

.column.col-10 {
  width: 83.333%;
}

.column.col-11 {
  width: 91.666%;
}

.column.col-12 {
  width: 100%;
}

.column.offset-by-1 {
  margin-left: 8.333%;
}

.column.offset-by-2 {
  margin-left: 16.666%;
}

.column.offset-by-3 {
  margin-left: 25%;
}

.column.offset-by-4 {
  margin-left: 33.333%;
}

.column.offset-by-5 {
  margin-left: 41.666%;
}

.column.offset-by-6 {
  margin-left: 50%;
}

.column.offset-by-7 {
  margin-left: 58.333%;
}

.column.offset-by-8 {
  margin-left: 66.666%;
}

.column.offset-by-9 {
  margin-left: 75%;
}

.column.offset-by-10 {
  margin-left: 83.333%;
}

.column.offset-by-11 {
  margin-left: 91.666%;
}

.row,
form,
p {
  margin-bottom: 30px;
}

#menu li:last-child,
.row:last-child,
form .row:last-child,
form:last-child,
h1:last-child,
h2:last-child,
h3:last-child,
h4:last-child,
h5:last-child,
h6:last-child,
p:last-child {
  margin-bottom: 0;
}

.clearfix::after,
.container::after,
.row::after {
  content: "";
  display: block;
  clear: both;
}

a {
  text-decoration: none;
  color: inherit;
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
}

a.link {
  color: #333;
}

a.link:hover {
  text-decoration: underline solid #333;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  font-weight: 400;
  font-style: normal;
  color: #111;
  margin-bottom: 15px;
}

h1 {
  font-size: 50px;
}

h2 {
  font-size: 42px;
}

h3 {
  font-size: 36px;
}

h4 {
  font-size: 30px;
}

h5 {
  font-size: 24px;
}

h6 {
  font-size: 18px;
}

.headline .title.project-title,
form .row {
  margin-bottom: 30px;
}

input[type="email"],
input[type="number"],
input[type="password"],
input[type="search"],
input[type="tel"],
input[type="text"],
input[type="url"],
select {
  width: 100%;
  height: 46px;
  line-height: 26px;
  font-family: inherit;
  font-size: inherit;
  padding: 0 15px;
  color: #333;
  background: #fff;
  border-radius: 0;
  -webkit-appearance: none;
}

img,
textarea {
  max-width: 100%;
}

button,
input[type="button"],
input[type="reset"],
input[type="submit"],
textarea {
  height: 46px;
  font-family: inherit;
  font-size: inherit;
  border-radius: 0;
  -webkit-appearance: none;
}

textarea {
  width: 100%;
  line-height: 26px;
  background: #fff;
  min-height: 120px;
  color: #333;
  padding: 15px;
}

select {
  background-image: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" width="9" height="12" viewBox="0 0 9 12"><path fill="#5e6c75" d="M0.722,4.823L-0.01,4.1,4.134-.01,4.866,0.716Zm7.555,0L9.01,4.1,4.866-.01l-0.732.726ZM0.722,7.177L-0.01,7.9,4.134,12.01l0.732-.726Zm7.555,0L9.01,7.9,4.866,12.01l-0.732-.726Z"/></svg>');
  background-repeat: no-repeat;
  background-position: right 1rem center;
}

button,
input[type="button"],
input[type="reset"],
input[type="submit"] {
  text-transform: uppercase;
  padding: 0 15px;
  cursor: pointer;
  color: #fff;
  background: #444;
  -webkit-transition: 0.2s;
  transition: 0.2s;
}

button:hover,
input[type="button"]:hover,
input[type="reset"]:hover,
input[type="submit"]:hover {
  background-color: #2d2d2d;
}

#menu li .submenu li a,
label {
  font-family: inherit;
  font-size: 14px;
}

label {
  display: block;
  text-transform: uppercase;
  font-weight: 600;
  margin-bottom: 15px;
  cursor: pointer;
}

img {
  vertical-align: middle;
}

.float-left {
  float: left;
}

.float-right {
  float: right;
}

#site-loading {
  width: 100%;
  height: 100%;
  position: fixed;
  top: 0;
  left: 0;
  z-index: 10;
  background: rgba(20, 21, 22, 0.7);
  -webkit-transition: all 0.7s cubic-bezier(0.7, 0.3, 0, 1) 0.3s;
  transition: all 0.7s cubic-bezier(0.7, 0.3, 0, 1) 0.3s;
}

#site-loading.hide {
  height: 0;
  visibility: hidden;
}

#nav-close,
.loader {
  width: 20px;
  height: 20px;
}

.loader {
  border-radius: 50%;
  border: 3px solid #fff;
  border-top: 3px solid transparent;
  bottom: 100px;
  left: 50%;
  margin-left: -10px;
  -webkit-animation: loading 0.7s linear infinite;
  animation: loading 0.7s linear infinite;
  -webkit-transition: all 0.3s ease-in-out;
  transition: all 0.3s ease-in-out;
  position: absolute;
}

#site-loading.hide .loader {
  bottom: -24px;
  visibility: hidden;
}

#site-nav {
  width: 35%;
  height: 100%;
  position: fixed;
  padding: 80px;
  top: 0;
  right: -35%;
  z-index: 10;
  background: #fff;
  -webkit-transition: all 0.5s cubic-bezier(0.7, 0.3, 0, 1);
  transition: all 0.5s cubic-bezier(0.7, 0.3, 0, 1);
}

#site-nav.nav-open {
  right: 0;
}

#nav-close {
  cursor: pointer;
  position: relative;
}

#nav-close::after,
#nav-close::before {
  content: "";
  width: 100%;
  height: 2px;
  background: #000;
  position: absolute;
  top: 50%;
  left: 0;
  margin-top: -1px;
  -webkit-transition: transform 0.2s ease 0.4s;
  transition: transform 0.2s ease 0.4s;
}

#site-nav.nav-open #nav-close::before {
  -webkit-transform: rotate(45deg);
  transform: rotate(45deg);
}

#site-nav.nav-open #nav-close::after {
  -webkit-transform: rotate(-45deg);
  transform: rotate(-45deg);
}

#menu {
  padding: 50px;
  list-style: none;
  text-align: right;
  line-height: 1;
}

#menu li {
  margin-bottom: 50px;
}

#menu li a,
#menu li span {
  position: relative;
  font-size: 24px;
  color: #444;
}

#menu li .submenu {
  list-style: none;
  position: relative;
  line-height: 1.6;
  margin-top: 10px;
}

#menu li .submenu li {
  margin-bottom: 0;
}

#menu li .submenu li a {
  color: #777;
}

#menu li .submenu li a:hover {
  color: #111;
}

#site-main {
  max-width: 1200px;
  margin: 50px auto;
  background: #fff;
}

#main-overlay {
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  left: 0;
  z-index: 9;
  background: rgba(20, 21, 22, 0.7);
  opacity: 0;
  visibility: hidden;
  -webkit-transition: all 0.5s ease-in-out;
  transition: all 0.5s ease-in-out;
}

#main-overlay.nav-open {
  opacity: 1;
  visibility: visible;
}

#site-header {
  height: 150px;
}

#header-logo {
  margin-top: 61px;
}

#header-logo .icon-logo {
  font-size: 18px;
  color: #111;
}

#burger,
#burger-icon {
  width: 20px;
  height: 14px;
}

#burger {
  margin-top: 68px;
  cursor: pointer;
  position: relative;
}

#burger-icon {
  position: absolute;
  top: 0;
  right: 0;
}

#burger-icon .icon-bar {
  width: 100%;
  height: 2px;
  position: absolute;
  right: 0;
  background: #111;
}

#burger-icon .icon-bar.top {
  top: 0;
}

#burger-icon .icon-bar.middle {
  top: 6px;
}

#burger-icon .icon-bar.bottom {
  bottom: 0;
  width: 70%;
}

.headline {
  text-align: center;
  padding: 130px 0;
}

.headline-content {
  max-width: 650px;
  margin: 0 auto;
}

.headline .title {
  font-size: 30px;
  color: #444;
  margin-bottom: 15px;
}

.headline .title:last-child {
  margin-bottom: 0;
}

.search-bar {
  padding: 40px 0 70px;
}

.search-tab {
  max-width: 470px;
  height: 33px;
  margin: 0 0 20px;
  display: flex;
  align-items: center;
  flex-direction: row;
  justify-content: space-between;
  border-bottom: 1px solid #e9e9e9;
  -webkit-tap-highlight-color: transparent;
}

.search-tab span {
  height: 32px;
  padding: 0 8px;
  display: inline-block;
  font-size: 16px;
  line-height: 1;
  opacity: 0.6;
  color: #444;
  border-bottom: 2px solid transparent;
  cursor: pointer;
  white-space: nowrap;
  overflow: hidden;
  -webkit-transition: all 0.2s ease-in;
  transition: all 0.2s ease-in;
}

.search-tab span.active,
.search-tab span:hover {
  opacity: 1;
  border-color: #838383;
}

.search-form input[type="search"] {
  max-width: 470px;
  width: 74%;
  background: #f5f5f5;
  overflow: hidden;
}

.search-form input[type="submit"] {
  max-width: 130px;
  width: 26%;
}

.hero {
  position: relative;
}

.entry-image,
.hero-image {
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  left: 0;
  z-index: 1;
}

.works {
  background: #f7f7f7;
}

.work-entry {
  overflow: hidden;
}

.work-entry .reveal {
  width: 100%;
  height: 100%;
}

.work-entry .content,
.work-entry .info {
  position: absolute;
  right: 0;
  left: 0;
  z-index: 1;
}

.work-entry .info {
  bottom: 0;
  background: rgba(20, 21, 22, 0.8);
  opacity: 0;
  -webkit-transition: all 0.3s ease-in-out;
  transition: all 0.3s ease-in-out;
  top: 0;
}

.work-entry:hover .info {
  opacity: 1;
}

.work-entry .content {
  top: 50%;
  text-align: center;
  padding: 0 50px;
  -webkit-transform: translatey(-50%);
  transform: translatey(-50%);
}

.work-entry .content .title {
  font-family: inherit;
  font-weight: 600;
  color: #fff;
  top: -15px;
}

.work-entry .content .cat {
  font-family: inherit;
  font-size: 14px;
  color: rgba(255, 255, 255, 0.7);
  top: 15px;
}

.work-entry .content .cat,
.work-entry .content .title {
  position: relative;
  opacity: 0;
  -webkit-transition: all 0.3s ease-in-out;
  transition: all 0.3s ease-in-out;
}

.work-entry:hover .content .cat,
.work-entry:hover .content .title {
  top: 0;
  opacity: 1;
}

.project-categories span {
  font-family: inherit;
  font-size: 14px;
  color: #b3b3b3;
  margin-right: 15px;
}

.project-categories span:last-child,
.social .social-link:last-child {
  margin-right: 0;
}

.work-link,
.work-link .tab span {
  -webkit-transition: all 0.2s ease-in;
}

.work-link {
  min-height: 500px;
  font-size: 16px;
  opacity: 0;
  padding: 40px 0 45px;
  transition: all 0.2s ease-in-out;
}

.work-link .container {
  width: 80%;
}

.work-link .tab {
  max-width: 780px;
  margin: 0 auto;
  padding-bottom: 19px;
  display: flex;
  align-items: center;
  flex-direction: row;
  justify-content: space-between;
  -webkit-tap-highlight-color: transparent;
}

.work-link .tab span {
  padding: 4px 24px;
  display: inline-block;
  color: #555;
  cursor: pointer;
  white-space: nowrap;
  overflow: hidden;
  transition: all 0.2s ease-in;
}

.work-link .info a:hover,
.work-link .tab span.active,
.work-link .tab span:hover {
  background: #e5e5e5;
  color: #333;
}

#setting-icon {
  margin-left: 40px;
  font-size: 20px;
  color: #333;
  cursor: pointer;
}

.work-link .info ul {
  line-height: 32px;
  list-style: none;
  overflow: hidden;
}

.work-link .info li {
  width: 12.5%;
  padding: 9px 0;
  float: left;
  display: inline-flex;
  white-space: nowrap;
  justify-content: center;
  overflow: hidden;
}

.work-link .info li:first-child {
  color: #999;
}

.work-link .info a {
  padding: 0 16px;
  -webkit-transition: all 0.1s ease-in;
  transition: all 0.1s ease-in;
}

#site-footer {
  text-align: center;
  padding: 100px 0;
}

.copy {
  font-size: 14px;
}

.social {
  margin-top: 30px;
}

.social .social-link {
  margin-right: 30px;
}

.social .social-link:hover {
  color: #2d2d2d;
}

.grey-section {
  padding: 100px 0;
  background: #f7f7f7;
}

.small-title {
  text-transform: uppercase;
  font-family: inherit;
  font-size: 12px;
  font-weight: 600;
  margin-bottom: 15px;
}

.reveal {
  position: relative;
  top: 100px;
  opacity: 0;
  -webkit-transition: all 0.5s ease;
  transition: all 0.5s ease;
}

.reveal.reveal-in {
  top: 0;
  opacity: 1;
}

@media screen and (max-width: 1024px) {
  .container {
    width: 90%;
  }

  #site-main {
    margin: 0;
  }

  iframe {
    width: 100%;
    height: 580px;
  }
}

@media screen and (max-width: 768px) {
  .container {
    width: 70%;
  }

  .column {
    width: 100% !important;
    margin: 0 0 30px !important;
    padding: 0;
  }

  .column:last-child {
    margin-bottom: 0;
  }

  #site-header {
    height: 90px;
  }

  #header-logo {
    margin-top: 36px;
  }

  #burger {
    margin-top: 43px;
  }

  #site-nav {
    width: 80%;
    right: -80%;
  }

  .headline-content {
    max-width: 100%;
  }

  .search-bar {
    padding-bottom: 60px;
  }

  .search-tab span {
    font-size: 15px;
  }

  .work-link {
    padding: 30px 0;
    font-size: 14px;
  }

  .work-link .container {
    width: 85%;
  }

  .work-link .tab {
    padding-bottom: 9px;
  }

  .work-link .tab span {
    padding: 2px 12px;
  }

  form .row,
  form .row .column {
    margin-bottom: 15px !important;
  }

  form .row .column:last-child,
  form .row:last-child {
    margin-bottom: 0 !important;
  }

  iframe {
    width: 100%;
    height: 440px;
  }
}

@media screen and (max-width: 480px) {
  .container {
    width: 90%;
  }

  #site-nav {
    padding: 30px;
  }

  #menu {
    padding: 30px 0 0;
  }

  #menu li h4 {
    font-size: 26px;
  }

  #menu li span {
    font-size: 18px;
  }

  iframe {
    width: 100%;
    height: 200px;
  }

  #setting-icon {
    margin-left: 0;
    padding-bottom: 6px;
    line-height: 25px;
  }

  .work-link .tab span {
    padding: 0 0 4px;
    border-bottom: 2px solid transparent;
  }

  .work-link .tab span.active,
  .work-link .tab span:hover {
    background: 0 0;
    border-bottom: 2px solid #838383;
  }

  .work-link .info ul {
    padding: 6px 0;
    border-bottom: 1px solid #eaeaea;
  }

  .work-link .info ul:last-child {
    border-bottom: none;
  }

  .work-link .info li {
    width: 25%;
    padding: 0;
  }

  #site-footer {
    padding: 50px 0;
  }

  .social .social-link {
    margin-right: 20px;
  }
}

@font-face {
  font-family: "fontello";
  src: url(../fonts/fontello.eot);
  src: url(../fonts/fontello.eot) format("embedded-opentype"),
    url(../fonts/fontello.woff2) format("woff2"),
    url(../fonts/fontello.woff) format("woff"),
    url(../fonts/fontello.ttf) format("truetype"),
    url(../fonts/fontello.svg) format("svg");
  font-weight: 400;
  font-style: normal;
}

[class*=" icon-"]:before,
[class^="icon-"]:before {
  font-family: "fontello";
  font-style: normal;
  font-weight: 400;
  speak: none;
  display: inline-block;
  text-decoration: inherit;
  width: 1em;
  margin-right: 0.2em;
  text-align: center;
  font-variant: normal;
  text-transform: none;
  line-height: 1em;
  margin-left: 0.2em;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

.icon-logo:before {
  content: "\e800";
}

.icon-cog:before {
  content: "\e801";
}

.icon-weibo:before {
  content: "\e802";
}

.icon-zhihu:before {
  content: "\e803";
}

.icon-github-circled:before {
  content: "\e804";
}

.icon-home:before {
  content: "\e805";
}
